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Formation of Branched Polyethylenes by Ethylene Homopolymerization Using LNiBr2 Homo- and Heterogeneous Precatalysts: Interpretation of the Polymer Structures in Comparison with Commercial LLDPE Научная публикация

Журнал Journal of Applied Polymer Science
ISSN: 0021-8995 , E-ISSN: 1097-4628
Вых. Данные Год: 2021, Том: 138, Номер: 20, Номер статьи : 50436, Страниц : 13 DOI: 10.1002/app.50436
Ключевые слова catalysts, mechanical properties, polyolefins, structure-property relationships, thermal properties
Авторы Matsko Mikhail A. 1 , Semikolenova Nina V. 1 , Zakharov Vladimir A. 1,2 , Soshnikov Igor E. 1,2 , Shundrina Inna K. 3 , Sun Wen‐Hua 4,5
Организации
1 Boreskov Institute of Catalysis, SB RAS, Novosibirsk, Russia
2 Novosibirsk State University, Novosibirsk, Russia
3 N.N. Vorozhtsov Novosibirsk Institute of Organic Chemistry SB RAS, Novosibirsk, Russia
4 Key Laboratory of Engineering Plastics and Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China
5 CAS Research/Education Center for Excellence in Molecular Sciences, University of Chinese Academy of Sciences, Beijing, China

Информация о финансировании (2)

1 Российский фонд фундаментальных исследований
National Natural Science Foundation of China 		18-53-80031 / 51861145303
2 Министерство науки и высшего образования Российской Федерации (с 15 мая 2018) ГЗ-2017-2020

Реферат: Comparative data on the micro‐structures and properties of branched polyethylenes (BPE) produced via ethylene homopolymerization over homogeneous N,N‐α‐diimine LNiBr2 complexes with different ligand composition (AlEt2Cl as a cocatalyst) and corresponding supported catalysts LNiBr2/SiO2(Al) (Al[iso‐Bu]3 as a cocatalyst) are presented. Noticeable differences were observed between micro‐structures of BPEs obtained using homo‐ and heterogeneous LNiBr2 complexes as catalysts. Supported catalysts produce BPEs with the majority of methyl branches (17–18 CH3(1000 C)−1 characterized by different molecular masses (1800–210 kg mol−1) and molecular weight distributions (Mw[Mn]−1 = 5.9 and 2.6). Thermal and mechanical properties of these BPE samples obtained over supported Ni catalysts are similar to those of commercial LLDPE samples prepared with metallocene and Ziegler‐Natta catalysts.
Библиографическая ссылка: Matsko M.A. , Semikolenova N.V. , Zakharov V.A. , Soshnikov I.E. , Shundrina I.K. , Sun W.
Formation of Branched Polyethylenes by Ethylene Homopolymerization Using LNiBr2 Homo- and Heterogeneous Precatalysts: Interpretation of the Polymer Structures in Comparison with Commercial LLDPE
Journal of Applied Polymer Science. 2021. V.138. N20. 50436 :1-13. DOI: 10.1002/app.50436 WOS Scopus РИНЦ CAPlus OpenAlex
Даты:
Поступила в редакцию: 2 июл. 2020 г.
Принята к публикации: 18 дек. 2020 г.
Опубликована online: 6 янв. 2021 г.
Опубликована в печати: 20 мая 2021 г.
Идентификаторы БД:
Web of science: WOS:000605061600001
Scopus: 2-s2.0-85099061269
РИНЦ: 45020535
Chemical Abstracts: 2021:84019
OpenAlex: W3120915530
Цитирование в БД:
БД Цитирований
Scopus 9
Web of science 7
РИНЦ 6
OpenAlex 9
Альметрики: